What would happen if you cross-bred J. R. Ewing of “Dallas” and Carl Pope, the head of the Sierra Club? You’d get T. Boone Pickens. What would happen if you cross-bred Henry Ford and Yitzhak Rabin? You’d get Shai Agassi. And what would happen if you put together T. Boone Pickens, the green billionaire Texas oilman now obsessed with wind power, and Shai Agassi, the Jewish Henry Ford now obsessed with making Israel the world’s leader in electric cars?

You’d have the start of an energy revolution.

Of course if you’d been at the 16th Street J on July 17th you would have been able to answer Mr. Friedman’s quiz.